The rifle is not the problem, the powder is. IF YOU FLY, it is absolutely illegal to have loose powder, or primers, on an aircraft. Period. This is an international covenant pertaining to hazardous materials on an airline. You will be put in jail over this.
If you travel by automobile, I don't know what the regulation is about carrying powder into Canada. Your best bet is to check with the Canadian authorities on this. When we went to Ontario with our Hawkens, we left the powder at home, and our outfitter had powder waiting for us in camp. Goex is readily available in Canada.
Why not just buy some in Canada?
